<magic priority="60">
      <match value="0x09040600" type="string" offset="0">
        <match value="0x00001000" type="string" offset="4"/> <!-- Sheet -->
        <match value="0x00002000" type="string" offset="4"/> <!-- Chart -->
        <match value="0x00004000" type="string" offset="4"/> <!-- Macro -->
      </match>
    </magic>
    <sub-class-of type="application/x-tika-old-excel"/>

</pre>

<p>
For floating-point arguments negative zero, NaN, and infinity the following rules apply:
</p>

<pre>
   x        y    min(x, y)    max(x, y)

  -0.0    0.0         -0.0          0.0    // negative zero is smaller than (non-negative) zero
  -Inf      y         -Inf            y    // negative infinity is smaller than any other number